Protective shield



FIG. 1 is a front view of a protective shield showing our new design in an unassembled state;

FIG. 2 is a back view thereof;

FIG. 3 is a left-side view thereof:

FIG. 4 is a right-side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof:

FIG. 7 is a perspective view thereof; and,

FIG. 8 is a perspective view showing the shield in an assembled state thereof.

The entire design is transparent. 

CLAIM The ornamental design for a protective shield, as shown. 